2 net.ipv4.conf.default.arp_ignore=1
3 net.ipv4.conf.all.arp_ignore=1
5 net.ipv4.icmp_echo_ignore_broadcasts=1
6 net.ipv4.icmp_ignore_bogus_error_responses=1
8 net.ipv4.tcp_fin_timeout=30
9 net.ipv4.tcp_keepalive_time=120
10 net.ipv4.tcp_timestamps=0
11 net.core.netdev_max_backlog=30